Date: Sun, 16 Jan 2000 16:47:35 +0100 (CET) From: Alexander Leidinger <Alexander@Leidinger.net> To: bright@wintelcom.net Cc: peter@netplex.com.au, current@FreeBSD.ORG Subject: Re: crash with ffs_softdep.c 1.52 Message-ID: <200001161547.QAA00543@Magelan.Leidinger.net> In-Reply-To: <20000115152625.T508@fw.wintelcom.net>
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On 15 Jan, Alfred Perlstein wrote:
>> >> > unfortunally no core dump, but I'm able to reproduce it (I just have to
>> >> > enable softupdates).
>> >>
>> >> how? It looks like splbio is not up but the softdep lock is held.
>>
>> ^^^^
>> I just have to enable softupdates on /home, /var, /usr, /usr/obj to
>> get a panic at "Additional daemons: syslogd" while booting.
>> If I disable softupdates at /var I'm able to log in (X11) and dial out
>> -> panic (because of fetchnews/fetchmail/whatever are accessing
>> something).
With only softupdates for /var I'm also able to reproduce the panic at
reboot.
>> > The best thing is to look at this global variable for lkt_held:
>> > static struct lockit {
>> > int lkt_spl;
>> > pid_t lkt_held;
>> > } lk;
>> >
>> > and see which process held the lock. Do a traceback on that process as well..
[HowTo DDB?]
> http://www.freebsd.org/handbook/kerneldebug.html
---snip---
db> x/ld,2 lk
lk: 0 161
db> ps
pid proc addr uid ppid pgrp flag stat wmesg wchan cmd
161 d7cebg00 d86bd000 0 160 161 000004 3 getbuf c3361ccb syslogd
160 d7cec500 d86a5000 0 6 6 004086 3 wait d7cec500 syslogd
[...]
6 wait sh
[...]
---snip---
How do I do a traceback on PID 161? "trace/u" outputs the same as
"trace" and I haven't found anything related except "trace/u" in ddb(4).
I'm still not able to get a core dump of this, perhaps a
misconfiguration?
fstab:
---snip---
/dev/da0s1b none swap sw 0 0
---snip---
rc.conf:
---snip---
dumpdev="/dev/da0s1b"
---snip---
(104) netchild@ttyp2 > ll /dev/da0s1b
crw-r----- 1 root operator 13, 0x00020001 1 Dez 12:41 /dev/da0s1b
Kernel config and output of dmesg attached.
Bye,
Alexander.
--
Where do you think you're going today?
http://www.Leidinger.net Alexander+Home @ Leidinger.net
Key fingerprint = 7423 F3E6 3A7E B334 A9CC B10A 1F5F 130A A638 6E7E
--0-1804289383-948037658=:540
Content-Type: TEXT/plain; CHARSET=US-ASCII
Content-Disposition: attachment; filename=WORK
machine i386
ident WORK
maxusers 40
makeoptions DEBUG=-g
makeoptions CONF_CFLAGS=-fno-builtin
#
# Allow user-mode programs to manipulate their local descriptor tables.
# This option is required for the WINE Windows(tm) emulator, and is
# not used by anything else (that we know of).
#
#options USER_LDT #allow user-level control of i386 ldt
# Options for the VM subsystem
#options PQ_NOOPT # No coloring
options PQ_LARGECACHE # color for 512k/16k cache
#options PQ_HUGECACHE # color for 1024k/16k cache
cpu I686_CPU # aka Pentium Pro(tm)
options CPU_FASTER_5X86_FPU
options CPU_SUSP_HLT
options "NO_F00F_HACK"
options COMPAT_43
options SYSVSHM
options SYSVSEM
options SYSVMSG
options MD5
options DDB
options GDB_REMOTE_CHAT
options KTRACE #kernel tracing
#options PERFMON
options UCONSOLE
options USERCONFIG #boot -c editor
options VISUAL_USERCONFIG #visual boot -c editor
options INET #Internet communications protocols
pseudo-device ether #Generic Ethernet
pseudo-device sppp #Generic Synchronous PPP
pseudo-device loop #Network loopback device
pseudo-device bpf #Berkeley packet filter
#pseudo-device disc #Discard device
pseudo-device streams
options PPP_BSDCOMP #PPP BSD-compress support
options PPP_DEFLATE #PPP zlib/deflate/gzip support
options PPP_FILTER #enable bpf filtering (needs bpfilter)
options MROUTING # Multicast routing
options IPFIREWALL #firewall
options IPFIREWALL_VERBOSE #print information about
# dropped packets
options IPFIREWALL_FORWARD #enable transparent proxy support
options IPFIREWALL_VERBOSE_LIMIT=100 #limit verbosity
#options IPDIVERT #divert sockets
#options IPSTEALTH #support for stealth forwarding
options TCP_RESTRICT_RST #restrict emission of TCP RST
options ICMP_BANDLIM
options FFS #Fast filesystem
options CD9660 #ISO 9660 filesystem
options KERNFS #Kernel filesystem
options MSDOSFS #MS DOS File System
options PROCFS #Process filesystem
options MFS #Memory File System
#options NFS #Network File System
#options NFS_NOSERVER #Disable the NFS-server code.
options FFS_ROOT #FFS usable as root device
options SOFTUPDATES
options P1003_1B
options _KPOSIX_PRIORITY_SCHEDULING
options _KPOSIX_VERSION=199309L
device scbus0 #base SCSI code
#device ch0 #SCSI media changers
device da0 #SCSI direct access devices (aka disks)
#device sa0 #SCSI tapes
device cd0 #SCSI CD-ROMs
device pass0 #CAM passthrough driver
device pt0 at scbus? # SCSI processor type
options CAM_MAX_HIGHPOWER=4
options SCSI_DELAY=5000# Be pessimistic about Joe SCSI device
pseudo-device pty #Pseudo ttys
pseudo-device speaker #Play IBM BASIC-style noises out your speaker
pseudo-device gzip #Exec gzipped a.out's
pseudo-device vn #Vnode driver (turns a file into a device)
#pseudo-device snp 3 #Snoop device - to look at pty/vty/etc..
options MSGBUF_SIZE=40960
device isa0
# Enable support for the kernel PLL to use an external PPS signal,
# under supervision of [x]ntpd(8)
# More info in ntpd documentation: http://www.eecis.udel.edu/~ntp
#options PPS_SYNC
options PNPBIOS
device atkbdc0 at isa? port IO_KBD
device atkbd0 at atkbdc? irq 1
options ATKBD_DFLT_KEYMAP # specify the built-in keymap
makeoptions ATKBD_DFLT_KEYMAP="german.iso"
#options KBD_DISABLE_KEYMAP_LOAD # refuse to load a keymap
options KBD_INSTALL_CDEV # install a CDEV entry in /dev
device psm0 at atkbdc? irq 12
device vga0 at isa? port ? conflicts
options VESA
pseudo-device splash
device sc0 at isa? flags 0x06
options MAXCONS=16 # number of virtual consoles
options SC_DFLT_FONT # compile font in
makeoptions SC_DFLT_FONT="iso"
options SC_HISTORY_SIZE=800 # number of history buffer lines
#options SC_DISABLE_REBOOT # disable reboot key sequence
device npx0 at nexus? port IO_NPX flags 0x0 irq 13
device ata0
device atadisk0 # ATA disk drives
#device atapicd0 # ATAPI CDROM drives
device atapifd0 # ATAPI floppy drives
#device atapist0 # ATAPI tape drives
#device wdc0 at isa? port IO_WD1 irq 14
#device wd0 at wdc0 drive 0
#device wd1 at wdc0 drive 1
#options IDE_DELAY=2000 # Be optimistic about Joe IDE device
#device wfd0
device fdc0 at isa? port IO_FD1 irq 6 drq 2
device fd0 at fdc0 drive 0
device sio0 at isa? port IO_COM1 flags 0x20010 irq 4
device sio1 at isa? port 0x2e8 irq 10 flags 0x20000
device ed0
device pcm0
device sbc0
device joy0
device pca0 at isa? port IO_TIMER1
device apm0 at nexus?
#ACPI Experimental Driver
#device acpi0
device pci0
device ahc0
options AHC_ALLOW_MEMIO
device smbus0
device intpm0
device smb0 at smbus?
device iicbus0
device iicbb0
device ic0 at iicbus?
device iic0 at iicbus?
device iicsmb0 at iicbus?
options AVM_A1
device isic0 at isa? port 0x300 irq 3 flags 4
pseudo-device "i4bq921"
pseudo-device "i4bq931"
pseudo-device "i4b"
pseudo-device "i4btrc" 2
pseudo-device "i4bctl"
pseudo-device "i4brbch" 2
pseudo-device "i4btel" 1
pseudo-device "i4bipr" 2
options IPR_VJ
pseudo-device "i4bisppp" 2
options PERIPH_1284 # Makes your computer act as a IEEE1284
# compliant peripheral
device ppbus0
device lpt0 at ppbus?
#device plip0 at ppbus?
device ppi0 at ppbus?
#device pps0 at ppbus?
device lpbb0 at ppbus?
device ppc0 at isa? port? irq 7
#options CLK_CALIBRATION_LOOP
options CLK_USE_I8254_CALIBRATION
options CLK_USE_TSC_CALIBRATION
device uhci0
device ohci0
device usb0
device ums0
device ukbd0
device ulpt0
device uhid0
device ugen0
--0-1804289383-948037658=:540
Content-Type: TEXT/plain; CHARSET=US-ASCII
Content-Disposition: attachment; filename="dmesg.txt"
Copyright (c) 1992-2000 The FreeBSD Project.
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights reserved.
FreeBSD 4.0-CURRENT #33: Thu Jan 13 16:29:27 CET 2000
root@Magelan.Leidinger.net:/usr/src/sys/compile/WORK
Timecounter "i8254" frequency 1193273 Hz
CPU: Pentium II/Celeron (400.94-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x665 Stepping = 5
Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR>
real memory = 134205440 (131060K bytes)
avail memory = 126513152 (123548K bytes)
Preloaded elf kernel "kernel" at 0xc035d000.
VESA: v3.0, 16384k memory, flags:0x1, mode table:0xc02fc9f7 (1000117)
VESA: 3dfx Interactive, Inc.
Pentium Pro MTRR support enabled
npx0: <math processor> on motherboard
npx0: INT 16 interface
apm0: <APM BIOS> on motherboard
apm: found APM BIOS v1.2, connected at v1.2
pcib0: <Intel 82443LX (440 LX) host to PCI bridge> on motherboard
pci0: <PCI bus> on pcib0
pcib1: <Intel 82443LX (440 LX) PCI-PCI (AGP) bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
vga-pci0: <3Dfx Voodoo 3 graphics accelerator> port 0xd800-0xd8ff mem 0xde000000-0xdfffffff,0xda000000-0xdbffffff irq 11 at device 0.0 on pci1
isab0: <Intel 82371AB PCI to ISA bridge> at device 4.0 on pci0
isa0: <ISA bus> on isab0
ata-pci0: <Intel PIIX4 ATA-33 controller> port 0xb800-0xb80f at device 4.1 on pci0
ata-pci0: Busmastering DMA supported
ata0 at 0x01f0 irq 14 on ata-pci0
uhci0: <Intel 82371AB/EB (PIIX4) USB controller> port 0xb400-0xb41f irq 9 at device 4.2 on pci0
usb0: <Intel 82371AB/EB (PIIX4) USB controller> on uhci0
usb0: USB revision 1.0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
intpm0: <Intel 82371AB Power management controller> port 0xe800-0xe80f irq 9 at device 4.3 on pci0
intpm0: I/O mapped e800
intpm0: intr IRQ 9 enabled revision 0
smbus0: <System Management Bus> on intsmb0
smb0: <SMBus general purpose I/O> on smbus0
intpm0: PM I/O mapped e400
ahc0: <Adaptec aic7880 Ultra SCSI adapter> port 0xb000-0xb0ff mem 0xd9800000-0xd9800fff irq 9 at device 6.0 on pci0
ahc0: aic7880 Wide Channel A, SCSI Id=7, 16/255 SCBs
ed0: <NE2000 PCI Ethernet (RealTek 8029)> port 0xa800-0xa81f irq 15 at device 10.0 on pci0
ed0: address 00:80:ad:40:bd:e7, type NE2000 (16 bit)
atkbdc0: <keyboard controller (i8042)> at port 0x60-0x6f on isa0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: model Generic PS/2 mouse, device ID 0
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
sc0: <System console> at flags 0x6 on isa0
sc0: VGA <16 virtual consoles, flags=0x206>
fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
sio0 at port 0x3f8-0x3ff irq 4 flags 0x20010 on isa0
sio0: type ST16650A
sio1 at port 0x2e8-0x2ef irq 10 flags 0x20000 on isa0
sio1: type ST16650A
pca0 at port 0x40 on isa0
pca0: PC speaker audio driver
isic0 at port 0x1b00-0x1b1f,0x16e0-0x16ff,0x6e0-0x6ff,0xee0-0xeff,0x1300-0x131f,0x300-0x31f,0xb00-0xb1f irq 3 flags 0x4 on isa0
isic0: AVM A1 or Fritz!Card Classic
ppc0 at port 0x378-0x37f irq 7 on isa0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/9 bytes threshold
lpt0: <generic printer> on ppbus 0
lpt0: Interrupt-driven port
ppi0: <generic parallel i/o> on ppbus 0
unknown: <PNP0401> can't assign resources
unknown: <PNP0501> can't assign resources
unknown: <PNP0501> can't assign resources
unknown: <PNP0700> can't assign resources
unknown: <PNP0f13> can't assign resources
unknown0: <PNP0c01> at iomem 0-0x9ffff,0x100000-0x7ffffff,0xe8000-0xeffff,0xf0000-0xf3fff,0xf4000-0xf7fff,0xf8000-0xfffff,0xcd000-0xcffff,0xfffe0000-0xffffffff on isa0
unknown: <PNP0000> can't assign resources
unknown1: <PNP0100> at port 0x41-0x44 irq 0 on isa0
unknown2: <PNP0b00> at port 0x70-0x71 irq 8 on isa0
unknown: <PNP0303> can't assign resources
unknown3: <PNP0c04> at port 0xf0 irq 13 on isa0
unknown4: <PNP0200> at port 0-0xf,0x80-0x90,0x94-0x9f,0xc0-0xde drq 4 on isa0
unknown: <PNP0800> can't assign resources
unknown5: <PNP0a03> at port 0xcf8-0xcff on isa0
unknown: <PNP0c02> can't assign resources
sbc0: <Creative ViBRA16C> at port 0x220-0x22f,0x330-0x331,0x388-0x38b irq 5 drq 1,5 on isa0
sbc0: setting card to irq 5, drq 1, 5
pcm0: <SB DSP 4.13> on sbc0
joy0: <Generic PnP Joystick> at port 0x200-0x207 on isa0
IP packet filtering initialized, divert disabled, rule-based forwarding enabled, logging limited to 100 packets/entry by default
i4b: ISDN call control device attached
i4bisppp: 2 ISDN SyncPPP device(s) attached
i4bctl: ISDN system control port attached
i4bipr: 2 IP over raw HDLC ISDN device(s) attached (VJ header compression)
i4btel: 1 ISDN telephony interface device(s) attached
i4brbch: 2 raw B channel access device(s) attached
i4btrc: 2 ISDN trace device(s) attached
ad0: <Conner Peripherals 420MB - CFS420A/6BT9.2Ap> ATA-0 disk at ata0 as master
ad0: 406MB (832608 sectors), 826 cyls, 16 heads, 63 S/T, 512 B/S
ad0: 16 secs/int, 1 depth queue, PIO3
afd0: <IOMEGA ZIP 100 ATAPI/23.D> rewriteable drive at ata0 as slave
afd0: 96MB (196608 sectors), 32 cyls, 64 heads, 96 S/T, 512 B/S
afd0: 4096KB/s, transfer limit 64 blks, PIO0
afd0: Medium: Unknown media (0x0)
Waiting 5 seconds for SCSI devices to settle
Mounting root from ufs:/dev/da0s1a
da0 at ahc0 bus 0 target 0 lun 0
da0: <MICROP 4743NS S168> Fixed Direct Access SCSI-2 device
da0: 20.000MB/s transfers (20.000MHz, offset 15), Tagged Queueing Enabled
da0: 4100MB (8398656 512 byte sectors: 255H 63S/T 522C)
cd0 at ahc0 bus 0 target 1 lun 0
cd0: <TEAC CD-R55S 1.0Q> Removable CD-ROM SCSI-2 device
cd0: 10.000MB/s transfers (10.000MHz, offset 15)
cd0: Attempt to query device size failed: NOT READY, Medium not present
cd1 at ahc0 bus 0 target 2 lun 0
cd1: <PIONEER CD-ROM DR-U16S 1.01> Removable CD-ROM SCSI-2 device
cd1: 20.000MB/s transfers (20.000MHz, offset 15)
cd1: Attempt to query device size failed: NOT READY, Medium not present
WARNING: / was not properly dismounted
ed0: device timeout
--0-1804289383-948037658=:540--
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